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CRD discovery, log noise reduction, e2e tests

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Lukasz Raczylo
2025-12-26 15:25:25 +00:00
parent e822eb3e17
commit ceff0ed67f
25 changed files with 3117 additions and 46 deletions
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pkg/controller/mirror.go
+31 -7
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@@ -302,18 +302,42 @@ func updateMirrorAnnotations(mirror metav1.Object, source runtime.Object, source
}
// updateUnstructuredMirror updates an unstructured mirror.
// Uses generic field introspection to handle any resource type (Secrets, ConfigMaps, CRDs).
func updateUnstructuredMirror(mirror, source runtime.Object, sourceHash string) error {
m := mirror.(*unstructured.Unstructured)
s := source.(*unstructured.Unstructured)
// Update spec
sourceSpec, found, err := unstructured.NestedMap(s.Object, "spec")
if err != nil {
return fmt.Errorf("failed to get source spec: %w", err)
// Fields to skip (Kubernetes-managed fields, not user content)
// These are managed by Kubernetes API server or controllers
skipFields := map[string]bool{
// Standard Kubernetes top-level fields
"metadata": true, // Kubernetes metadata (name, namespace, labels, etc.) - managed separately
"status": true, // Resource status - managed by controllers, never mirrored
"apiVersion": true, // API group version - static, set during creation
"kind": true, // Resource kind - static, set during creation
// Kubernetes internal fields (rarely at top level, but be defensive)
"managedFields": true, // Field management tracking - internal to Kubernetes
"selfLink": true, // Deprecated but might exist - auto-generated
"resourceVersion": true, // Optimistic concurrency control - auto-generated
"generation": true, // Spec change counter - auto-generated (but usually in metadata)
"creationTimestamp": true, // Resource creation time - auto-generated (but usually in metadata)
"deletionTimestamp": true, // Resource deletion time - auto-generated (but usually in metadata)
"deletionGracePeriodSeconds": true, // Grace period - auto-managed (but usually in metadata)
"uid": true, // Unique identifier - auto-generated (but usually in metadata)
"ownerReferences": true, // Ownership chain - should not be copied (but usually in metadata)
"finalizers": true, // Deletion hooks - should not be copied (but usually in metadata)
}
if found {
if err := unstructured.SetNestedMap(m.Object, sourceSpec, "spec"); err != nil {
return fmt.Errorf("failed to set mirror spec: %w", err)
// Copy all content fields from source to mirror
// This handles:
// - .spec (standard CRDs like Traefik Middleware)
// - .data, .type (Secrets)
// - .data, .binaryData (ConfigMaps)
// - Any custom top-level fields in non-standard CRDs
for key, value := range s.Object {
if !skipFields[key] {
m.Object[key] = value
}
}